Related topics: animals ยท mammals

Fossils of 'largest' dinosaur found in Argentina (Update)

Paleontologists in Argentina's remote Patagonia region have discovered fossils of what may be the largest dinosaur ever, amid a vast cache of fossils that could shed light on prehistoric life.

Elephants sing low the same way humans do

(Phys.org) -- Mammals produce sounds in two ways, either via the flow of air over vocal folds (vocal chords), as in humans and many other mammals, or via active muscular contractions as in the cat’s purr. Until now no ...

Wild brown bear observed using a tool

(PhysOrg.com) -- Because brown bears are so reclusive, not to mention dangerous to be around, not a lot is really known about their brain power. This is actually rather odd because bears have the largest brains for their ...

Mouse to elephant? Just wait 24 million generations

Scientists have for the first time measured how fast large-scale evolution can occur in mammals, showing it takes 24 million generations for a mouse-sized animal to evolve to the size of an elephant.

Researchers show elephants really do have a sixth toe

(PhysOrg.com) -- Sometimes it seems, nature finds it must resort to some trickery to respond appropriately to changing conditions. Take the elephant, for example. Way back in time, say fifty million years ago, the hulking ...

Size of mammals exploded after dinosaur extinction

Researchers demonstrate that the extinction of dinosaurs 65 million years ago made way for mammals to get bigger - about a thousand times bigger than they had been. The study, which is published in the prestigious journal ...

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